Doctor profile · Federal record

Dr. Richard Irwin, MD

Pulmonary Disease Physician (CMS: Pulmonary Disease) · Worcester, MA

  • NPI 1619950722
  • Accepts Medicare
  • MIPS 89.0 / 100 · 2023
  • 58 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
55 Lake Ave N, Department of Pulmonary Medicine
Worcester, MA 016550002
(508) 856-1919
fax (508) 856-3999
Mailing address
Po Box 415348
Boston, MA 022415348

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
November 13, 2020
Year of graduation
1968 — 58 yrs since
Specialty taxonomy
207RP1001X — NUCC code
State license (1)
Massachusetts #43633
Medicaid
MA #110038013A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1619950722. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
710
Distinct HCPCS
6
Medicare allowed
$53,511
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 409 126 $67
99214 Established patient office or other outpatient visit, 30-39 minutes 164 80 $99
G2212 Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or 59 23 $32
99212 Established patient office or other outpatient visit, 10-19 minutes 39 31 $36
99215 Established patient office or other outpatient visit, 40-54 minutes 20 18 $146
99205 New patient office or other outpatient visit, 60-74 minutes 19 19 $184

In context: peer comparison

Among 18 peers in this city , average services per provider: 55. This provider delivers 13× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
571
Patients
224
Total drug cost
$151,077
Drug Type Claims Patients Total cost
Prednisone Generic 141 57 $584
Azithromycin Generic 63 31 $1,782
Omeprazole Generic 44 17 $1,178
Famotidine Generic 40 22 $1,140
Ipratropium Bromide Generic 40 25 $3,275
Fluticasone Propionate Generic 35 18 $647
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 33 25 $2,155
Advair Diskus (Fluticasone Propion/Salmeterol) Brand 30 15 $27,481
Incruse Ellipta (Umeclidinium Bromide) Brand 30 0 $15,189
Montelukast Sodium Generic 26 0 $811

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Richard Irwin's medical specialty?
Dr. Richard Irwin practices Pulmonary Disease Physician in Worcester, MA.
Where does Dr. Richard Irwin practice?
Dr. Richard Irwin practices at 55 Lake Ave N, Worcester, MA 016550002. Office phone: 5088561919.
What is Dr. Richard Irwin's NPI?
Dr. Richard Irwin's National Provider Identifier (NPI) is 1619950722, issued by NPPES.
Does Dr. Richard Irwin accept Medicare assignment?
Yes. Dr. Richard Irwin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Richard Irwin commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or (HCPCS G2212). Source: CMS Medicare Physician & Other Practitioners file.